"The makeup and hair guys were just amazing," says Carrey. Studio executives had worried that their star wasn't recognizable under all that hair and rubber. "Everybody's like, 'Oh, gosh! It doesn't look like Jim'," says Carrey, who heard the same thing when he played the Grinch. "But it's not going to matter if I have three inches of latex on my face. I will figure out a way to get through it." Of course, that still doesn't answer the question of how Carrey creates these bizarre characters. "Well, they tell me it has something to do with serotonin levels," Carrey says. "Fortunately, they've been up for a while." Don't you hate a happy ending?